Highlights from Radio New Zealand National's programmes for the week ending Friday 12 October. This week...... the blurring of boundaries between advertising and news, the tiny parasite toxoplasma gondii and its potential devastating effects on dolphins, social jetlag - being out of sync with life, what maths can reveal about the operation of war, the rising cost of social inequity in New Zealand, suicide killing more soldiers than the war, learning more about Shia muslims, and 100 years of the Otago University Sextet.